Jill Craybas (born July 4, 1974, Providence, Rhode Island) is an American professional tennis player. She turned professional in June 1996.

Craybas has won one WTA title at the Tokyo Japan Open. She beat Silvija Talaja in the final after trailing 0-4 in the third set.This year Craybas has so far reached one quarterfinal at Hobart as the eighth seed, losing to unseeded Italian Mara Santangelo in three sets.

Craybas is best known for her 2005 defeat of Serena Williams in the 3rd round of Wimbledon. Though she beat Williams 6-3, 7-6, Craybas went on to be defeated by Serena's older sister, Venus by a score of 6-0, 6-1.

On March 25, 2006, Craybas once again served up a remarkable early round defeat of a top seeded player. This time it was No. 2 seed Kim Clijsters in the 2nd round of the NASDAQ-100 tournament. After squandering leads in both the 1st and 3rd sets, Clijsters eventually lost by a score of 5-7, 6-3, 5-7. It was Clijsters earliest ever exit from the NASDAQ-100, and on top of it, Clijsters was the defending champion.

Craybas, who may be a veteran on the tour nowadays is playing the best tennis of her life.